Could any one please tell me if my answers are correct? it's a physics test of Grade 12 General

Explanation:

all answer are correct except answer number 4

we know that F=qE so E=F/q

the strength of electric field is inversely proportional the magnitude of charge so if the magnitude of charge is halved than strength of electric would become double so option B is correct

with the invention of the automobile, the woman of the house could drive to the store and get groceries. women were also free to socialize more. during world war ii women were allowed to work in factories to the war effort and could drive to work or ride mass transit buses to their jobs.

when heated, the valance electrons increased their speed and transferred the heat from electron to electron.   i just took the test.